The process to remove caffeine from coffee beans using water was first developed in Switzerland in the 1930s, but was only trademarked as the Swiss Water Process in the '80s by a company in Vancouver, British Columbia.
How to Grow Primrose Flower Plants. Primrose is a hardy perennial flower, that includes a wide range of varieties. Primrose is native to Asia, Europe, and North America. In North America, they originally were found from the Midwest to the Northwest areas of the U.S.
Primrose are grown from seed. Primrose plants do not transplant well. It is best to directly seed them into your flower garden, a hillside, or anywhere that you want to use them as ground cover. Sow Primrose seeds early in the season and cover lightly with soil.